Chemical composition of essential oils of turmeric (Curcuma longa L.)

Abstract

The essential oils of leaves, flowers, rhizomes and roots of turmeric (Curcuma longa L., Zingiberaceae) were analysed by GC-MS. The major constituent of flower oil was p-cymene-8-ol (26.0%) while leaf oil was dominated byα-phellandrene (32.6%). The rhizomes and roots contained ar-turmerone (31.0% and 46.8%, respectively) as major constituents.